Patent FR1089095A successfully refreshed from Google Patents.
US3534404A
Expired / Lapsed
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Carry and comparator networks for multi-input majority logic elements
Assignee: Unisys Corp
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Filing: 1967-06-29
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Granted: 1970-10-13
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Expires: 1987-06-29
Abstract
No abstract record available.
Inventors
- 👤 William H Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:01
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/505; G06F7/506; G06F7/508; G06F7/02; G06F7/026; H; H03; H03K; H03K19/00; H03K19/20; G06F2207/00; G06F2207/38; G06F2207/48; G06F2207/4802; G06F2207/4818; G06F2207/4822
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |